tests: ensure color-lcms plugin loads

This is a trivial smoke test to ensure that the color-lcms plugin is
loadable.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
5 jobs for mr/color-base in 2 minutes and 24 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Container Prep
passed #10366035
container_prep

00:00:11

 
  Build
passed #10366037
kvm
build-docs

00:01:04

passed #10366036
kvm
build-full

00:01:50

passed #10366038
kvm
build-no-gl

00:00:59

 
  Pages
passed #10366039
docs-and-coverage

00:00:21